2025-07-06 08:00 | 0 阅读 Concrete Memories: How Shanghai's Historic Neighborhoods Are Reinventing Urban Preservation [ARCHITECTURAL ALCHEMY]• Material Metamorphosis:- 72% original brick retention in Xintiandi retrofits- Hidden seismic reinforcement techniques- Ventilation shaft conversion to vertical gardens- Shared courtyard reimagining as co-working hubs• C